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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 33, 2003 - Issue 3
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Original Articles

Michael Addition Catalyzed by Potassium Hydroxide Under Ultrasound

Ji-Tai Li College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. ChinaCorrespondence[email protected]
,
Yong Cui College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. China
,
Guo-Feng Chen College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. China
,
Zhao-Li Cheng College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. China
&
Tong-Shuang Li College of Chemistry and Environmental Science, Hebei University, Baoding, P.R. China
Pages 353-359 | Received 24 Jan 2002, Published online: 17 Aug 2006
 
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Abstract

Michael addition of chalcone with active methylene compound such as diethyl malonate, nitromethane and ethyl acetoacetate catalyzed by potassium hydroxide in anhydrous ethanol results Michael adducts in 75–98% yield under ultrasound irradiation in 25–90 min.

Acknowledgment

The project was supported by NSFC (29872011), Natural Science Foundation of Hebei Province (299080), P.R. China.

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